212201132300042 has 4 divisors (see below), whose sum is σ = 318301698450066. Its totient is φ = 106100566150020.

The previous prime is 212201132300039. The next prime is 212201132300159. The reversal of 212201132300042 is 240003231102212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 206778619280401 + 5422513019641 = 14379799^2 + 2328629^2 .

It is a super-2 number, since 2×212201132300042² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212201132299990 and 212201132300017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53050283075009 + ... + 53050283075012.

Almost surely, 2^{212201132300042} is an apocalyptic number.

212201132300042 is a deficient number, since it is larger than the sum of its proper divisors (106100566150024).

212201132300042 is a wasteful number, since it uses less digits than its factorization.

212201132300042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106100566150023.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 212201132300042 its reverse (240003231102212), we get a palindrome (452204363402254).

The spelling of 212201132300042 in words is "two hundred twelve trillion, two hundred one billion, one hundred thirty-two million, three hundred thousand, forty-two".